package com.example.config;



import com.example.common.JacksonObjectMapper;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.List;

@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {

    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
        registry.addResourceHandler("doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");

    }

     @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters){

         MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
         converter.setObjectMapper(new JacksonObjectMapper());
         converters.add(0,converter);
         MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
         //设置对象转换器，底层使用Jackson将Java对象转为json
         messageConverter.setObjectMapper(new JacksonObjectMapper());
         //将上面的消息转换器对象追加到mvc框架的转换器集合中
         converters.add(0,messageConverter);

    }
    @Bean
    public Docket createRestApi() {
        // 文档类型
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.example.controller"))
                .paths(PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("cookstove")
                .version("1.0")
                .description("cookstove接口文档")
                .build();
    }
}
